- Microprocessor - Home
- Microprocessor Overview
- Microprocessor Classification
- Microprocessor Evolution
- Microprocessor Components
- Microprocessor Characteristics
- Microprocessor Functions
- Microprocessor Pros & Cons
- Microprocessor Application
- Microcontrollers Types
- Microcontrollers Pros & Cons
- 8085 Microprocessor Architecture
- 8085 Microprocessor Pin Configuration
- Addressing Modes & Interrupts
- 8085 Microprocessor Instruction Sets
- 8085 Microprocessor Features
- Externally Initiated Operations
- 8086 Microprocessor
- 8086 Microprocessor Overview
- Functional Units
- Pin Configuration
- Instruction Sets
- 8086 Microprocessor Interrupts
- 8086 Microprocessor Addressing Modes
- 8086 Microprocessor Features
- Memory Segmentation
- Auxiliary Carry Flag
- Maximum and Minimum Mode Configurations
- Multiprocessor Configuration
- Configuration Overview
- 8087 Numeric Data Processor
- I/O Interfacing
- I/O Interfacing Overview
- 8279 Programmable Keyboard
- 8257 DMA Controller
- Serial vs Parallel Communication
- Serial Communications Interface
- Parallel Communication Interface
- 8051 Microcontrollers
- Microcontrollers Overview
- 8051 Microcontrollers Architecture
- 8051 Pin Description
- 8051 Input Output Ports
- 8051 Microcontrollers Interrupts
- Instruction Sets
- Logical Instructions in AVR
- Conditional Branch Instructions AVR
- Arithmetic Instructions in AVR
- External Memory Interfacing
- Time Delay in AVR
- 8051 vs PIC Microcontroller
- Peripheral Devices
- Peripheral Devices
- Programmable Peripheral Interface
- Intel 8255A Pin Description
- Programmable Interval Timer
- 8253/54 Operational Modes
- Interfacing Devices
- Applications and Furture Trends
- Microcontrollers - Application
- Microcontrollers - Low-Power
- Microprocessor Useful Resources
- Microprocessor - Quick Guide
- Microprocessor - Useful Resources
- Microprocessor - Discussion
Microprocessor - 8085 Logical Instructions
The following table shows the list of Logical instructions with their meanings.
| Opcode | Operand | Meaning | Explanation |
|---|---|---|---|
| CMP |
R M |
Compare the register or memory with the accumulator | The contents of the operand (register or memory) are M compared with the contents of the accumulator. |
| CPI | 8-bit data | Compare immediate with the accumulator | The second byte data is compared with the contents of the accumulator. |
| ANA |
R M |
Logical AND register or memory with the accumulator | The contents of the accumulator are logically AND with M the contents of the register or memory, and the result is placed in the accumulator. |
| ANI | 8-bit data | Logical AND immediate with the accumulator | The contents of the accumulator are logically AND with the 8-bit data and the result is placed in the accumulator. |
| XRA |
R M |
Exclusive OR register or memory with the accumulator | The contents of the accumulator are Exclusive OR with M the contents of the register or memory, and the result is placed in the accumulator. |
| XRI | 8-bit data | Exclusive OR immediate with the accumulator | The contents of the accumulator are Exclusive OR with the 8-bit data and the result is placed in the accumulator. |
| ORA |
R M |
Logical OR register or memory with the accumulator | The contents of the accumulator are logically OR with M the contents of the register or memory, and result is placed in the accumulator. |
| ORI | 8-bit data | Logical OR immediate with the accumulator | The contents of the accumulator are logically OR with the 8-bit data and the result is placed in the accumulator. |
| RLC | None | Rotate the accumulator left | Each binary bit of the accumulator is rotated left by one position. Bit D7 is placed in the position of D0 as well as in the Carry flag. CY is modified according to bit D7. |
| RRC | None | Rotate the accumulator right | Each binary bit of the accumulator is rotated right by one position. Bit D0 is placed in the position of D7 as well as in the Carry flag. CY is modified according to bit D0. |
| RAL | None | Rotate the accumulator left through carry | Each binary bit of the accumulator is rotated left by one position through the Carry flag. Bit D7 is placed in the Carry flag, and the Carry flag is placed in the least significant position D0. CY is modified according to bit D7. |
| RAR | None | Rotate the accumulator right through carry | Each binary bit of the accumulator is rotated right by one position through the Carry flag. Bit D0 is placed in the Carry flag, and the Carry flag is placed in the most significant position D7. CY is modified according to bit D0. |
| CMA | None | Complement accumulator | The contents of the accumulator are complemented. No flags are affected. |
| CMC | None | Complement carry | The Carry flag is complemented. No other flags are affected. |
| STC | None | Set Carry | Set Carry |
microprocessor_8085_instruction_sets.htm
Advertisements